Individual provider Active NPI

Jesse Tallyen, LMSW, LCDP, CADC

  • Clinical Social Worker
  • Millsboro, DE
National Provider Identifier
1881557767
Registry record updated Feb 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
Q1-0012889 Issued in DE
Practice address
24077 Country Living Rd Ste 2
Millsboro, DE 19966-3188
Phone
(302) 224-1400
Fax
(302) 224-1402
NPI assigned
Dec 8, 2025
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 27, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X CD-0010151 DE
Clinical Social Worker 1041C0700X Q1-0012889 DE Primary

Addresses

Primary practice location

24077 Country Living Rd Ste 2
Millsboro, DE 19966-3188

Mailing address

24077 Country Living Rd Ste 2
Millsboro, DE 19966-3188
Phone (302) 224-1400

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DE
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260311003737 DE Practitioner - Clinical Social Worker 3274016852 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Mid-Atlantic Behavioral Health, LLCGroup PAC ID 3375620016, 88 clinicians

Practice addresses (Care Compare)

24077 Country Living Rd
Suite 2
Millsboro, DE 19966-3188
Phone (302) 224-1400

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
CD-0010151DEMDAddiction (Substance Use Disorder) Counselor
Q1-0012889DEMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Mid-Atlantic Behavioral Health, LLC Addiction (Substance Use Disorder) CurrentSince Mar 1, 2026 Accepting new patients

Locations

24077 Country Living Rd
Ste 2
Millsboro, DE 19966
Phone (302) 772-5132

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1765152000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772150400000",
    "number": "1881557767",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24077 COUNTRY LIVING RD STE 2",
            "city": "MILLSBORO",
            "state": "DE",
            "postal_code": "199663188",
            "telephone_number": "302-224-1400",
            "fax_number": "302-224-1402"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "24077 COUNTRY LIVING RD STE 2",
            "city": "MILLSBORO",
            "state": "DE",
            "postal_code": "199663188",
            "telephone_number": "302-224-1400",
            "fax_number": "302-224-1402"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TALLYEN",
        "first_name": "JESSE",
        "credential": "LMSW, LCDP, CADC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-12-08",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "DE",
            "license": "CD-0010151",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "DE",
            "license": "Q1-0012889",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Millsboro, DE

Sources for this page

Verify at the official NPI Registry.